#include<stdio.h>

int main() {
	int a[3][4] = {1, 2,3 ,4, 5, 6, 7, 8, 9, 10, 11, 12};
	int b[][4] = {1, 2,3 ,4, 5, 6, 7, 8, 9, 10, 11, 12};
	int c[3][4] = {{1, 2,3 ,4}, {5, 6, 7, 8}, {9, 10, 11, 12}};
	int d[][4] = {{1, 2,3 ,4}, {5, 6, 7, 8}, {9, 10, 11, 12}};
	int e[3][4] = {{1, 2,3 ,4}, {5}, {9, 10}};
	int f[3][4] = {{1, 2,3 ,4}, {5}};

	/* 在此处打断点，查看各变量的值*/

	return 0;
}
